by sgcg, published
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I never seem to overcome the laziness and make a design with a point.
I like your solution with sheet-metal picks!
This inspired me to try tatting again, I learned about 10 years ago. Thanks! I like shuttles with points, but am not sure how to add them to the OPENScad. I added a metal point to a couple of my printed shuttles - just a piece of sheet metal and a rivet. The added points work well and give a kind of SteamPunk look to the shuttles.
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* tatting-shuttle-full.stl: a complete tatting shuttle;
* tatting-shuttle-half.stl: just half a tatting shuttle for easier building.
You can build two halves (tatting-shuttle-half.stl) and then bond or weld them together. I made several out of ABS and solvent-welded them with cement made out of ABS scraps dissolved into acetone.
There are several geometrical parameters that can be changed. The attached drawing shows them; they are expressed in millimeters. You can edit the SCAD file to make a shuttle that suits your needs. In addition to the dimensions, there is a boolean parameter, half_model, which can be set to true in order to build just half a tatting shuttle.
With a little effort, you can give your shuttle a gorgeous look. Use a file to smooth the rough edges and, if you build your shuttle in ABS, try to use an acetone-soaked brush to give it a smooth, glossy, almost-pearly finish.
This thing can be seen as related to thingiverse.com/thing:10182 (a net-making shuttle) and thingiverse.com/thing:6193 (a weaving shuttle).
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